Implement a task scheduler for BrowsingDataRemover

chrome/browser/prerender/prerender_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 #include <deque>
 #include <set>
 #include <string>
 #include <unordered_map>
 #include <utility>
@@ skipping 213 matching lines @@
 std::string CreateServerRedirect(const std::string& dest_url) {
   const char* const kServerRedirectBase = "/server-redirect?";
   return kServerRedirectBase + net::EscapeQueryParamValue(dest_url, false);
 }
 
 // Clears the specified data using BrowsingDataRemover.
 void ClearBrowsingData(Browser* browser, int remove_mask) {
   BrowsingDataRemover* remover =
       BrowsingDataRemoverFactory::GetForBrowserContext(browser->profile());
   BrowsingDataRemoverCompletionObserver observer(remover);
-  remover->Remove(BrowsingDataRemover::Unbounded(), remove_mask,
-                  BrowsingDataHelper::UNPROTECTED_WEB);
+  remover->RemoveAndReply(BrowsingDataRemover::Unbounded(), remove_mask,
+                          BrowsingDataHelper::UNPROTECTED_WEB, &observer);
   observer.BlockUntilCompletion();
   // BrowsingDataRemover deletes itself.
 }
 
 // Returns true if the prerender is expected to abort on its own, before
 // attempting to swap it.
 bool ShouldAbortPrerenderBeforeSwap(FinalStatus status) {
   switch (status) {
     case FINAL_STATUS_USED:
     case FINAL_STATUS_WINDOW_OPENER:
@@ skipping 3728 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents();
   bool display_test_result = false;
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(web_contents,
                                                    "DidDisplayReallyPass()",
                                                    &display_test_result));
   ASSERT_TRUE(display_test_result);
 }
 #endif  // !defined(DISABLE_NACL)
 
 }  // namespace prerender